Abstract：Objective To exp1ore the c1inica1 effect of Z350 nano-composite resin app1ied on esthetic restoration in ora1 cavity. Methods From January 2012 to January 2014,200 patients with anterior teeth repaired who were admitted into our hospita1 were se1ected as research objects.They were random1y divided into two groups.In contro1 group,Z250 composite resin was app1ied for esthetic restoration,whi1e in experimenta1 group,Z350 nano-composite resin was used. The restoration effect was compared in the two groups. Results After finishing esthetic restoration,there was no great difference in patients’or physicians’satisfaction （P＞0.05).After esthetic restoration being finished just now and ha1f a year,there was no obvious difference in patients’satisfaction or physicians’in the experimenta1 group,whi1e in the contro1 group,the satisfaction between patient and physician was disp1ayed a statistica1 difference （P＜0.05).In the experimenta1 group,the successfu1 rate of esthetic restoration in ora1 cavity by Z350 nano-composite resin was 94.0%,whi1e in the contro1 group,the successfu1 rate was 81.0%,which indicated an obvious difference （P＜0.05). Conclusion App1ication of Z350 nano-composite resin can obtain a remarkab1e effect on esthetic restoration,at advantages of smooth surface of prosthesis,fu11 1ink-up,and good denta1 pu1p vita1ity.
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